Autocrossing & Roadracing Suspension Setup for Track Corvettes, Camber/Caster Adjustments, R-Compound Tires, Race Slicks, Tips on Driving Technique, Events, Results
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first time at the track!!

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Old 12-11-2011, 09:03 AM
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sla07
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Default first time at the track!!

and i had a blast!!!...this was at the homestead track in south florida...was extremely fun!!!...and concerned now because this can become extremely addicting and expensive

one thing id like to note....so, i have a stock 09' z51...only thing that ive done to it is lowered on stock bolts and removal of NPP fuse...by the second session, the instructor was telling me that im doing every good and it seems like im a natural at it (BS or not, very encouraging)...keeping the lines, hitting the apex's...in fact, told me to slow down on one of the turns because he could feel my car sliding a little and that my tires probably couldnt handle pushing more then what i was pushing in that turn (firehawks wide ovals, just a replacement for the stock goodyears)...

what i noticed were two things...i cant help but feel like i felt a little bit of body roll in some of the turns...so it felt like the suspension wasnt tight enough for it....and secondly i almost felt like the brakes werent enough...i found myself starting to brake a little before the 300foot mark at times and by the time i had downshifted and at the end of the braking (hard braking at this point), i really felt like at times the brakes would give in...

are these two things anything to be concerned with?...i mean i am all for tracking the car stock to get the best out of it..i felt yesterdays session was amazing to get a good feel for my car to begin with...only time i was ever passed was by a lamborghini, one m3, and my friends z06...all others i either trailed or passed...

id like to think i did fairly decent...but i prolly did crappy...my time was a 1:51 (instructor timed it with his stopwatch)...he was there practicing in his heavily modded m3 for a race next week (his times were down to 1:28)...

either way, i had a BLAST!!!




------

edit

one last item i forgot to mention...my oil temps...they went up to around 250-260...one one session it went up to 272....i figured it was high but i also noticed in that session i was shifting to 4th closer to redline...so in the other sessions i was shifting at around 5k or so and temps stayed around the 250-260 range...is this normal or should i be considered with the high temps?

Last edited by sla07; 12-11-2011 at 09:06 AM.
Old 12-11-2011, 09:34 AM
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yakisoba
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Welcome to the hobby. There's a wealth of info on these forums about tracking corvettes, especially starting out.

Body roll: Two things will help here. The first is mechanical -- Bigger sway bars. The second is personal. The smoother your weight transfer is, the less of that you will feel. Seat time, sway bars. Pfadt makes good ones.

Brakes: Stainless Steel brake lines (I use Goodridge), dot 4 fluid (I use Motul) and better pads. Pads are a religious discussion, but I would suggest you do not go too heavy at first. If you jump to DTC70 or Carbotech XP12 right away, your modulation will suffer. It's really how you come off the brakes that matters, once you get the knack of getting to threshold correctly. So step into it with a less aggressive, but better than stock, pad. Then move up again to full track pads.

Oil temps: I have seen that the LS3 runs a bit hotter than my LS6 sometimes. If you already have an oil cooler, and don't want to add another in series, you might consider short shifting or backing off when you get real high. I know that I routinely ran 250-260 in the LS6, but I ran heavier oil too. Back when i was running 5w30, I got much higher. I don't know the effect of running 10w40 in an LS3, so I can't advise you there, nor do I think it would be good for your warranty, so you're likely stuck with short shifting and backing off when it gets high. I would also consider running a bit more oil; I ran half a quart high and still do for track days.

Lowering: Make sure you get a good alignment. Nothing crazy, but a good camber setting can really help the car corner, especially with stock bushings. Also, if you're down too far, your suspension might be compressed too much. Find a good suspension shop that does track setups and get to know them.
Old 12-11-2011, 09:41 AM
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sla07
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Originally Posted by yakisoba
Welcome to the hobby. There's a wealth of info on these forums about tracking corvettes, especially starting out.

Body roll: Two things will help here. The first is mechanical -- Bigger sway bars. The second is personal. The smoother your weight transfer is, the less of that you will feel. Seat time, sway bars. Pfadt makes good ones.

Brakes: Stainless Steel brake lines (I use Goodridge), dot 4 fluid (I use Motul) and better pads. Pads are a religious discussion, but I would suggest you do not go too heavy at first. If you jump to DTC70 or Carbotech XP12 right away, your modulation will suffer. It's really how you come off the brakes that matters, once you get the knack of getting to threshold correctly. So step into it with a less aggressive, but better than stock, pad. Then move up again to full track pads.

Oil temps: I have seen that the LS3 runs a bit hotter than my LS6 sometimes. If you already have an oil cooler, and don't want to add another in series, you might consider short shifting or backing off when you get real high. I know that I routinely ran 250-260 in the LS6, but I ran heavier oil too. Back when i was running 5w30, I got much higher. I don't know the effect of running 10w40 in an LS3, so I can't advise you there, nor do I think it would be good for your warranty, so you're likely stuck with short shifting and backing off when it gets high. I would also consider running a bit more oil; I ran half a quart high and still do for track days.

Lowering: Make sure you get a good alignment. Nothing crazy, but a good camber setting can really help the car corner, especially with stock bushings. Also, if you're down too far, your suspension might be compressed too much. Find a good suspension shop that does track setups and get to know them.
appreciate the response!!!

will definitely work on seat time before purchasing anything just yet, i think...although sway bars typically do make a difference in certain instances...it did when i autocrossed my old car (not a vette)...

so stainless steel brake lines, better fluid, and better pads for the track days...got it...

oil temps, i figured i would just back off if it started getting too hot...so i was keeping an eye on it and just noticed it was better when i shifted lower...so i'll deal with it that way...i didnt feel any performance difference to tell you the truth and i would assume i wouldnt, unless it was consistently running hot and even higher...

lowering, i will find a suspension shop...

i figured if there were to be any sort of mods, it would be suspension, brakes, and tires...no need for more power in this right now...
Old 12-11-2011, 10:05 AM
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As I was told after my first event, "Welcome to your new addiction"

You'll find a ton of info here. After 6 events, all I've done to my car is an external oil cooler, front brake cooling ducts and track pads. I have been tempted to add other mods, or switch to R tires etc...But I will not sacrifice seat time for track mods at this early stage.

Enjoy and have a great time
Old 12-11-2011, 11:18 AM
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Originally Posted by spdislife
As I was told after my first event, "Welcome to your new addiction"

You'll find a ton of info here. After 6 events, all I've done to my car is an external oil cooler, front brake cooling ducts and track pads. I have been tempted to add other mods, or switch to R tires etc...But I will not sacrifice seat time for track mods at this early stage.

Enjoy and have a great time
im wondering if cooling ducts may be beneficial...definitely seems to be an addiction...
Old 12-11-2011, 12:08 PM
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I would suggest upgrading your brake fluid but I really believe a new Corvette is more than enough car for your first year. Maybe an intermediate brake pad also.

Your car at this point is forgiving in many areas which is a good safety factor.
LEARN to drive the car first, worry about all the mods later.

Check out this link for some information LINK
Your goals at this stage should be

Learn the safety aspect, flags, corner workers etc.

Great Sportsmanship is a MUST !!

Smoothness and consistency. Hit every brake point, turn in, apex, track out etc. EVERY LAP. You will not ever truly get fast / safe, until you get this stuff down.

A 430 HP Corvette and a new driver can be a dangerous combination so give it the respect it deserves. It will do everything you tell it to do, without question, even go into a wall at 150. Understand the difference between a fast driver and a driver in a fast car.

Enjoy the sport and I can tell you from experience, you will make some of the best friends of your life because of it.

Last edited by WNeal; 12-11-2011 at 12:10 PM.
Old 12-11-2011, 12:35 PM
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Originally Posted by sla07
im wondering if cooling ducts may be beneficial...definitely seems to be an addiction...
They certainly wont hurt. I've had them on for the last 4 of 6 events. I still only get 4 track days max on stock front rotors before they crack. Didn't really have enough time without versus with to make an accurate determination. In addition I've used rotors from 3 different sources

DRM ducts and Quantum spindle kit.
Old 12-11-2011, 12:51 PM
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Thanks for the info WNeal...I guess that's where I need to find the range of when is right to consider any mods...I mean at what point do you say "I think getting stickier tires will help me grip into the turns and shoot out of them"...know what I mean?...
Old 12-11-2011, 12:53 PM
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Originally Posted by spdislife
They certainly wont hurt. I've had them on for the last 4 of 6 events. I still only get 4 track days max on stock front rotors before they crack. Didn't really have enough time without versus with to make an accurate determination. In addition I've used rotors from 3 different sources

DRM ducts and Quantum spindle kit.
Definitely slightly concerned with th rotors cracking as I have read somewhere on this forum about the z51 rotors cracking at track days...I looked mine over and didn't see anything wrong visually...will have to inspect further though...one thing I have to always keep in mind is that this is a daily driver for me so anything I do, I want to maintain some daily drive ability or give it a bit more safety...
Old 12-11-2011, 01:17 PM
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Originally Posted by sla07
Definitely slightly concerned with th rotors cracking as I have read somewhere on this forum about the z51 rotors cracking at track days...I looked mine over and didn't see anything wrong visually...will have to inspect further though...one thing I have to always keep in mind is that this is a daily driver for me so anything I do, I want to maintain some daily drive ability or give it a bit more safety...
One of the keys is to try and gradually cool them down after a session. I now try and roll through the pits slowly or onto a pit access road for a few minutes, then when stopped, roll the car a few feet every few minutes so the pads are on a different part of the fire path. I've had rotors with no spyder cracks let go during cool down. I would suggest you take a spare set to future events. I've gotten quite proficient at changing rotors quickly
Old 12-11-2011, 04:13 PM
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Originally Posted by sla07
Thanks for the info WNeal...I guess that's where I need to find the range of when is right to consider any mods...I mean at what point do you say "I think getting stickier tires will help me grip into the turns and shoot out of them"...know what I mean?...
Yeap,
The first time you go to Hoosiers etc., it will blow your mind.
Old 12-11-2011, 04:35 PM
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Originally Posted by WNeal
Yeap,
The first time you go to Hoosiers etc., it will blow your mind.
What's Hoosiers?
Old 12-11-2011, 05:15 PM
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Originally Posted by sla07
What's Hoosiers?
Step away from the crack pipe!

Like Bill and others said, upgrade your brake fluid, brake lines and pads.
Get some NAPA or Centric rotors and put your Z51s in a box in your garage.

Hawk HP+ is a good step up from stock pads or you can ask Adam from Carbotech what their equivalent is.

Just like any other sport it's important to ground yourself in the fundamentals before you start making big changes to the car.

Welcome to my addiction!
Jim
Old 12-11-2011, 06:10 PM
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Originally Posted by JimbeauZ06
Step away from the crack pipe!

Like Bill and others said, upgrade your brake fluid, brake lines and pads.
Get some NAPA or Centric rotors and put your Z51s in a box in your garage.

Hawk HP+ is a good step up from stock pads or you can ask Adam from Carbotech what their equivalent is.

Just like any other sport it's important to ground yourself in the fundamentals before you start making big changes to the car.

Welcome to my addiction!
Jim


i got it i got it...lol...didnt want to make any drastic changes..
Old 12-11-2011, 06:21 PM
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Originally Posted by sla07


i got it i got it...lol...didnt want to make any drastic changes..
Don't count the mods out. Just learn first, mod second.

Mine went from pristine garage queen to full blown, gutted out race car


One of my first mods was a good race seat, harness and HANs. Even a Novice in a Corvette can quickly get up to some serious speed.
Old 12-11-2011, 06:38 PM
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Originally Posted by JimbeauZ06
Step away from the crack pipe!

Like Bill and others said, upgrade your brake fluid, brake lines and pads.
Get some NAPA or Centric rotors and put your Z51s in a box in your garage.

Hawk HP+ is a good step up from stock pads or you can ask Adam from Carbotech what their equivalent is.

Just like any other sport it's important to ground yourself in the fundamentals before you start making big changes to the car.
Welcome to my addiction!
Jim
Words of wisdom
Old 12-11-2011, 07:09 PM
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I concur with the others and offer the same advice. Change the brake fluid, go to a better pad and invest in seat time only for right now.


Originally Posted by sla07
Thanks for the info WNeal...I guess that's where I need to find the range of when is right to consider any mods...I mean at what point do you say "I think getting stickier tires will help me grip into the turns and shoot out of them"...know what I mean?...
When you can CONSISTENTLY control a FOUR wheel drift at 100mph on street tires.


-Kevin

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Old 12-11-2011, 07:16 PM
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Originally Posted by spdislife
Words of wisdom


Originally Posted by brkntrxn
I concur with the others and offer the same advice. Change the brake fluid, go to a better pad and invest in seat time only for right now.




When you can CONSISTENTLY control a FOUR wheel drift at 100mph on street tires.


-Kevin
Old 12-11-2011, 07:33 PM
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Seat, harness bar, belts, and HANS. You are not likely to walk away from a 100mph impact with 3pt belts and stock seats.
Old 12-12-2011, 09:44 AM
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I will be happy to help you. I would start with XP10 and XP8 combo, run SS lines, DOT 4 fluid and Cooling ducts. I can sell you every thing but the cooling ducts. My contact info is below.
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